# Summer Nightmare

Summer DB entity ID: 855a0763\-b0f3\-49e2\-86f3\-0843081d2609

Steam App ID: 576860

Features    41,566 words   4 Endings   9 Character CG   55\+ illust CGs   35\+ Original BGs   11\+ BGMs   12 SFXs   Story  One day, a boy, Riel, has a nightmare\. inside the dream there is a school just like in real where terrifying things continues to happen\. Being chased by a blood\-soaked medusa, his friends are killed\. Students foam teams just to fight each other\. \.\.\.this was a beginning of \[Nightmare Game\]\.  After inference of collected hints, they can end this game\. the \[Broadcast\] will tell about where Hints are, and friends' death\. they were programmed to bring them to death\.  is the \[Broadcast\] from my mind? and what happened in dreams is connected to reality\. when someone dies in my dream\- so do in reality\. can Riel finish the game?  Summer Nightmare is a Mystery Survival adventure in dreams, surrounding Riel\. Protect friends, teacher and yourself\!  『Those who happen to behold Medusa, are destined to be killed by someone\.』 Gameplay Notes    You can change the language in Settings\.   If you can not hear the game sound, increase the volume in the settings

## Game information

- Type: game

- Developer: Team Summer Nightmare

- Publisher: Elkibe Games

- Release date: Dec 6, 2017

- Coming soon: false

- Free to play: true

- Parent Steam app: Not collected

- Genres: Gore, Adventure, Casual, Free To Play, Indie

- Categories: Single\-player, Steam Achievements, Family Sharing

- Platforms: windows, mac, linux

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/576860/ss\_b3d256f5207d1b83e96a54d8fe933d05c9af24bb\.1920x1080\.jpg?t=1512596543, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/576860/ss\_897be6f5d36d5183e9cf1a0dfd4fce692f2958ca\.1920x1080\.jpg?t=1512596543, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/576860/ss\_d9949400a463fddf369a99d4dade531903edb65a\.1920x1080\.jpg?t=1512596543, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/576860/ss\_c2cedb1089fc09b9854b823f40610c7072608dd5\.1920x1080\.jpg?t=1512596543, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/576860/ss\_74a989808bf4fbbbd5558767e941cddc3ab1b04c\.1920x1080\.jpg?t=1512596543

- Price: Not collected

- Price country: Not collected

## Observed metrics

- Current players: 0

- Steam review count: 555

- Steam positive reviews: 308

- Steam negative reviews: 247

- Steam positive percentage: 55.4954954954955%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/855a0763-b0f3-49e2-86f3-0843081d2609/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/855a0763-b0f3-49e2-86f3-0843081d2609/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-24T19:57:04\.362365\+00:00

- Details observed: 2026\-09\-22T18:00:25\.015198\+00:00

- Player count observed: 2026\-09\-22T18:00:26\.358366\+00:00

- Reviews observed: 2026\-09\-22T18:00:26\.070126\+00:00

Full provenance: \{"urls":\{"price":null,"catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/576860/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=576860","reviews":"https://store\.steampowered\.com/appreviews/576860"\},"price":null,"source":"steam","catalog":"2026\-09\-24T19:57:04\.362365\+00:00","country":"US","details":"2026\-09\-22T18:00:25\.015198\+00:00","players":"2026\-09\-22T18:00:26\.358366\+00:00","reviews":"2026\-09\-22T18:00:26\.070126\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":null,"catalog":"9c8b7b4b\-ff6a\-4b6a\-a772\-1ce5099e744e","details":"35695836\-3055\-41e0\-9232\-9a4f4f78728a","players":"96d2f525\-b6d6\-4ef9\-bb40\-f17d01f8199e","reviews":"2fdb735b\-2785\-4f9a\-bb27\-92c3d4a5e5d5"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"855a0763\-b0f3\-49e2\-86f3\-0843081d2609","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/576860/) · [JSON](/api/v1/games/855a0763-b0f3-49e2-86f3-0843081d2609)